Find:
About Me
Blogs
- AC8JO
- Antique Finds of J&J
- Antique Radio Blog
- Arcane Radio Trivia
- Audio Tweak
- Audioklassiks
- Broadcast Law Blog
- BuildLounge
- Classic Receivers
- Coffman Labs Blog
- Confessions of a Part-Time Audiophile
- Duanes Radios
- EEVBlog
- Engineering Radio
- Glowbugs Times
- Glowbugs Web
- Guitar Fool
- Hack a Day
- HeavyDIY
- High on Solder
- Ilektronx
- KN0CK
- MicroSyl
- Nick's Radio Corner
- Old Stock Audio
- Pragmaddux
- Radio Stuff
- Radio Time Traveller
- Richard Sears, Vintage Electronics
- Seventies Stereo
- The Paleotechnologist
- The Signal Path
- Tube Addict
- TubeSound
Friends
Resources
- 901
- Active Equalizer
- amateur radio
- amplifier
- android
- Antique
- antique radio
- Bose
- Bose 901
- Bose Active Equalizer
- Bose Equalizer
- bose repair
- capacitor
- capacitor replacement
- cost engineering
- Craigslist
- eBay
- electronics
- Equalizer
- fried electronics
- GE
- grunow
- grunow 589
- grunow chassis 5-U
- grunow radio restoration
- ham radio
- hf
- hi-fi
- hifi
- HP
- KN0CK
- old radio
- oscilloscope
- overhaul
- philco
- photos
- power supply
- projects
- radio
- rca
- receiver
- repair
- restoration
- RTL-SDR
- RTLSDR
- SDR#
- seattle
- seattle vintage radio repair
- Series 1
- series I
- series II
- series IV
- shortwave
- soldering
- Sony
- Speakers
- speaker spotter
- stereo
- streaming
- t-mobile
- test equipment
- transistor
- transistor radio
- tube
- Tube Amp
- tube radio
- up-converter
- Upconverter
- vacuum tube
- vintage
- vintage ad
- vintage radio
- Westinghouse
- zenith
Categories
January 2021 S M T W T F S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Meta
Tag Archives: RTLSDR
KN0CK Amplified RTLSDR for HF Rev. 5 is Back!
After some technical difficulties, the KN0CK Amplified RTLSDR for HF Rev. 5 is back! Now for sale directly through blog.KF7LZE, and including free shipping in the United States, and a free PAL to BNC adapter with purchase! Everything you need to … Continue reading
Posted in Electronics, Gadgets, Radio
Tagged dongle, hf, KN0CK, RTL-SDR, RTLSDR, SDR#, up-converter, Upconverter
Leave a comment
KN0CK and KF7LZE RTLSDR for HF Back In Stock at Easy-Kits.com!
Edit: Easy-Kits.com is offline, but still for sale! Click through. We’ve completed the next production run of Rev 5 direct-sampling RTLSDR with HF converters by KN0CK ! Rev 5 Direct Sampling HF RTLSDR with Amplifier
Posted in Electronics, Gadgets, Radio
Tagged 6m, amateur radio, amplifier, converter, direct sampling, ham radio, hf, hf converter, hf up-converter, kf7lze, KN0CK, pre-amplifier, RTLSDR, shortwave, swl, up-converter, Upconverter
Leave a comment
For Sale: The KN0CK and KF7LZE RTLSDR for HF Rev. 5!
I’m happy to announce that Rev 5 of the KN0CK and KF7LZE RTLSDR for HF is now available for sale in its 5th iteration – now featuring Direct Sampling, while still keeping the familiar wide-band pre-amplifier! On account of the … Continue reading
Posted in Electronics, Gadgets, Hardware, Radio
Tagged direct sampling, easy-kits, ham radio, hf, kf7lze, KN0CK, RTL-SDR, RTLSDR, shortwave, up-converter, Upconverter
1 Comment
Coming Soon: KN0CK and KF7LZE RTLSDR Receiver Rev. 5!
Edited 6/10/2014: Now for sale directly at KF7LZE.net! I’m proud to announce that in just a few days, Easy-Kits.com in cooperation with KN0CK will be releasing Rev. 5 of the popular RTLSDR Integrated Upconverter with a brand new design and … Continue reading
Posted in Electronics, Gadgets, Hardware, Radio
Tagged hf converter, hf up-converter, hf upconverter, kf7lze, KN0CK, rev 4, rev 5, RTLSDR, up-converter, Upconverter
2 Comments
KN0CK HF Converter Rev. 4 is Released!
The complete Rev 3 KN0CK HF Converter has sold out and been discontinued. That’s okay, though, because it’s been replaced with the KN0CK RTLSDR for HF Revision 4! This model incorporates a lot of the feedback from the community about the … Continue reading
Posted in DIY, Electronics, Gadgets, Radio, Technology
Tagged 6 meters, 6m, ham radio, hf converter, hf up-converter, hf upconverter, kf7lze, KN0CK, radio, RTLSDR, SDR#, shortwave, up-converter, Upconverter
1 Comment
Introducing Easy-Kits!
I’m proud to announce a new venture from KF7LZE in partnership with KF7LZR! Easy-Kits strives to provide easy to find parts to complete the projects you find on my site, not to mention offering other interesting projects and parts to … Continue reading
Posted in Commentary, DIY, Electronics, Gadgets, Ideas, Projects, Radios and Tubes, Technology
Tagged easy-kits, Kit, kits, RTLSDR, SDR#
Leave a comment
Colorful NTIA Poster of U.S. Frequency Allocations
This great infographic looks like it could really help me figure out who’s talking on all of those data channels I pick up with my RTLSDR. Click through for the full size, a 3.5MB JPEG. You could also get your … Continue reading
Posted in Radio, Technology
Tagged amateur radio, chart, frequencies, frequency allocations, ham radio, infographic, poster, RTLSDR, SDR#, u.s. government, united states
1 Comment
Australian TV Tuner Offers 4 RTLSDR Tuners in One Internal Card
Over at RTL-SDR.com is a report of a fascinating development with the DigitalNow Quad DVB-T Receiver, apparently well suited to working as a very powerful multi-SDR solution. I just wanted to let you guys know that the Digital Now Quad … Continue reading
Posted in DIY, Electronics, Gadgets, Hardware, Radio
Tagged Australia, digitalnow, dvb-t, integrated tuner, multi tuner, quad, quad tuner, Realtek, RTL-SDR, RTL2383, RTL2383U, RTLSDR, SDR#, software defined radio, tuner
Leave a comment
Coming Soon: KN0CK Rev B Integrated HF RTLSDR
Marty KN0CK developed a very interesting v1.0 HF converter based on surface mount technology that fits inside the casing of an RTLSDR tuner dongle. He’s recently sent me schematics for the revision, which should offer even better performance! This new iteration … Continue reading
Posted in Electronics, Projects, Radio
Tagged amateur radio, converter, dvb-t, E4000, ez-cap, hf, hf converter, hf upconverter, hp up-converter, KN0CK, MAR 8+, Marty, Mini-Circuits, RF amplifier, RTL-SDR, RTLSDR, schematics, SDR#, shortwave, shortwave listening, smt, up-converter, Upconverter
7 Comments
High Stability TCXO Upgrade for RTLSDR Dongles
Over at RTL-SDR.com, I found out about a great new product that’s just come out for more precise SDR applications: a customized R820T-based stick with a high stability temperature compensated crystal oscillator (TCXO) in place of the stock crystal, giving … Continue reading →